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Are there any reasonably priced/ free laptop RTA programs?

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  • Are there any reasonably priced/ free laptop RTA programs?

    I'm curious about what might be available. A quick Google search shows that PE offers TrueRTA for about $40 which seems very reasonable. Anything else out there?
    Last edited by aarond; 02-15-2022, 07:34 PM.
    Thanks,
    Aaron

  • #2
    In the context of a speaker building forum I assume you just mean the ability to run sweeps and measure SPL at frequency - as in you're not specifically looking for only a Real Time Analyzer?

    REW (does include RTA)
    Holm Impulse (no RTA)
    ARTA (not sure if it has RTA)
    Constructions: Dayton+SB 2-Way v1 | Dayton+SB 2-Way v2 | Fabios (SB Monitors)
    Refurbs: KLH 2 | Rega Ela Mk1

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    • DeZZar
      DeZZar commented
      Editing a comment
      I have TrueRTA and ultimately never use it.....REW does pretty much everything you'll need.

  • #3
    Holm can be set to noise output, and only amplitude smoothing. Sort of like RTA. I use it that way sometimes just to get an idea what the room is up to, although I use the frequency dependent time-windowing a lot more often.
    Francis

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    • #4
      REW does have an RTA window.
      Electronics engineer, woofer enthusiast, and musician.
      Wogg Music
      Published projects: PPA100 Bass Guitar Amp, ISO El-Cheapo Sub, Indy 8 2.1 powered sub, MicroSat, SuperNova Minimus

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      • #5
        Cool, I'll give REW a try, I've read good things about it in the past. a quick look at the page shows it'll work for what I need.

        Although I did ask about an RTA, like you guys guessed my interest revolves around speaker building. My immediate need is room analysis for (hopefully) easy to tame peaks.
        Thanks,
        Aaron

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        • DeZZar
          DeZZar commented
          Editing a comment
          REW (Room EQ Wizard) is precisely what you need then

      • #6
        SynRTA.
        Wolf
        "Wolf, you shall now be known as "King of the Zip ties." -Pete00t
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